Answer:
C.
Explanation:
In mRNA, there isn't a Thymine nitrogen base. There is a "new" nitrogen base called Uracil, which takes its place. So in transcription, A=U and C=G.
The replication of chromosomes by eukaryotes occurs in a relatively short period of time because each chromosome contains multiple replicons. Prokaryotic such as bacteria often contain only one chromosome with one origin at which two replication forks assemble and move in opposite directions.
Answer: (1) Providing an optimized orientation of the substrate.
(2) Decreasing the ∆G in reaction.
(3) Excluding excess water.
Explanation: The active sites of enzymes increase the rate of reaction because they decrease the activation energy of the reaction,and the physical microenvironment provides an optimal orientation of the substrate relative to reactive functional groups while excluding excess solvent,such as water.
Although some active sites may have amino acids that form salt bridges with the amino acids from a substrate,not all do, so this is not a generic strategy of active site microenvironments
*Gotten directly from Quizlet*
Answer:
RNA instruct dna to make protien
Answer:
binding of the hormone molecule with its receptor of the cell.
Explanation:
Hormones are chemical messengers secreted or released by endocrine glands to effect a response in another location called target location. Hormones are proteinous molecules and like every other protein, its function is determined by its shape.
Hormones function or effect their changes by binding to the receptor of the target cell. The hormone recognizes and will only bind to its own receptor molecule on its target cell on order to bring about any change. This defines the specificity of the hormone.